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Melengestrol acetate (2919-66-6)

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AASraw is with synthesis and production ability from gram to mass order of Melengestrol acetate (2919-66-6), under CGMP regulation and trackable quality control system.

Product Description


Melengestrol acetate (2919-66-6) video



Melengestrol acetate (2919-66-6) Specification:

Chemical Structure: Product Name: Melengestrol acetate
Cas No.: 2919-66-6
Molecular Formula: C25H32O4
Molecular Weight: 396.5





Storage: Dry, dark
Documents(COA & HPLC etc.): Available


Melengestrol acetate (2919-66-6) Description:

Melengestrol acetate (MLGA) powder, sold under the brand names Heifermax and MGA among others, is a progestin medication which is used in animal reproduction, and a progestogen-like compound used as a cattle feed additive for its growth promoting effects and suppression of estrus (heat) in heifers. Critics have claimed that hormones used as growth promotants in cattle may cause breast cancer. (NCI)

It is not approved for use in humans, and is instead used as an implantable contraceptive for captive animals in zoos and other refuges, and is also used as a feed additive to promote growth in cattle, a purpose it is licensed for in the United States and Canada.



  • 1, Elks (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 764–. ISBN 978-1-4757-2085-3.
  • 3,Asa, C.S.; Porton, I.J. (2010). “Chapter 34: Contraception as a Management Tool for Controlling Surplus Animals”. In Kleiman, D.G.; Thompson, K.V.; Baer, C.K. (eds.). Wild Mammals in Captivity: Principles and Techniques for Zoo Management (2nd ed.). Chicago, IL: University of Chicago Press. pp. 469–482. ISBN 9780226440118. Retrieved 17 March 2016.
  • 4Jack F. Kay (26 November 2009). Analyses for Hormonal Substances in Food-Producing Animals. Royal Society of Chemistry. p. 139. ISBN 978-0-85404-198-5. Retrieved 27 May 2012.
  • 5, Illingworth DV, Elsner C, De Groot K, Flickinger GL, Mikhail G (February 1977). “A specific progesterone receptor of myometrial cytosol from the rhesus monkey”. J. Steroid Biochem. 8 (2): 157–60. doi:10.1016/0022-4731(77)90040-1. PMID 405534.